Add obfuscated name/getter annotations

src/main/java/net/runelite/mapping/ObfuscatedGetter.java

@@ -0,0 +1,8 @@
+package net.runelite.mapping;
+
+public @interface ObfuscatedGetter
+{
+	int intValue() default 0;
+	
+	long longValue() default 0L;
+}

src/main/java/net/runelite/mapping/ObfuscatedName.java

@@ -0,0 +1,6 @@
+package net.runelite.mapping;
+
+public @interface ObfuscatedName
+{
+	String value();
+}